The following information is available for Market, Incorporated and Supply, Incorporated at December 31. Accounts Market, Incorporated Supply, Incorporated Accounts receivable $ 56,200 $ 75,400 Allowance for doubtful accounts 2,248 2,256 Sales revenue 606,960 867,100 Required a. What is the accounts receivable turnover for each of the companies? b. What is the average days to collect the receivables? c. Assuming both companies use the percent of receivables allowance method, what is the estimated percentage of uncollectible accounts for each company